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Frequency calibration of terahertz time-domain spectrometers.

Naftaly, M; Dudley, R A; Fletcher, J R*; Bernard, F*; Thomson, C*; Tian, Z* (2009) Frequency calibration of terahertz time-domain spectrometers. J. Opt. Soc. Am. B, 26 (7). pp. 1357-1362.

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We present an etalon-based method of calibrating the frequency of terahertz time-domain spectrometers (THz TDS). The method utilizes the etalon effect produced by multiple reflections in non-absorbing wafers or in narrow air-gaps. The technique provides frequency calibration across the measurement bandwidth with uncertainties comparable with the typical THz TDS resolution.

Item Type: Article
Keywords: terahertz, frequency calibration
Subjects: Electromagnetics
Electromagnetics > Terahertz
Last Modified: 02 Feb 2018 13:15
URI: http://eprintspublications.npl.co.uk/id/eprint/4474

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